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Increase ARM/MIPS simulators stack safety margin to 512 bytes

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R=erik.corry@gmail.com
BUG=v8:1773

Review URL: http://codereview.chromium.org/8337014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9686 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
vegorov@chromium.org 2011-10-18 14:41:45 +00:00
parent c4d25c8f37
commit 75dc771098
2 changed files with 4 additions and 4 deletions
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4
src/arm/simulator-arm.cc
View File

@ -1268,9 +1268,9 @@ void Simulator::WriteDW(int32_t addr, int32_t value1, int32_t value2) {
// Returns the limit of the stack area to enable checking for stack overflows. // Returns the limit of the stack area to enable checking for stack overflows.
uintptr_t Simulator::StackLimit() const { uintptr_t Simulator::StackLimit() const {
// Leave a safety margin of 256 bytes to prevent overrunning the stack when // Leave a safety margin of 512 bytes to prevent overrunning the stack when
// pushing values. // pushing values.
return reinterpret_cast<uintptr_t>(stack_) + 256; return reinterpret_cast<uintptr_t>(stack_) + 512;
} }

4
src/mips/simulator-mips.cc
View File

@ -1359,9 +1359,9 @@ void Simulator::WriteB(int32_t addr, int8_t value) {
// Returns the limit of the stack area to enable checking for stack overflows. // Returns the limit of the stack area to enable checking for stack overflows.
uintptr_t Simulator::StackLimit() const { uintptr_t Simulator::StackLimit() const {
// Leave a safety margin of 256 bytes to prevent overrunning the stack when // Leave a safety margin of 512 bytes to prevent overrunning the stack when
// pushing values. // pushing values.
return reinterpret_cast<uintptr_t>(stack_) + 256; return reinterpret_cast<uintptr_t>(stack_) + 512;
} }